Classifications

• • G—PHYSICS
  • G06—COMPUTING OR CALCULATING; COUNTING
  • G06G—ANALOGUE COMPUTERS
  • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
  • G06G7/48—Analogue computers for specific processes, systems or devices, e.g. simulators
  • G06G7/57—Analogue computers for specific processes, systems or devices, e.g. simulators for fluid flow ; for distribution networks
• • E—FIXED CONSTRUCTIONS
  • E21—EARTH OR ROCK DRILLING; MINING
  • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
  • E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F11/00—Control or safety arrangements
  • F24F11/0001—Control or safety arrangements for ventilation

Landscapes

• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Mining & Mineral Resources (AREA)
• Theoretical Computer Science (AREA)
• Computer Hardware Design (AREA)
• General Engineering & Computer Science (AREA)
• Life Sciences & Earth Sciences (AREA)
• General Life Sciences & Earth Sciences (AREA)
• Geochemistry & Mineralogy (AREA)
• Geology (AREA)
• Chemical & Material Sciences (AREA)
• Fluid Mechanics (AREA)
• Mechanical Engineering (AREA)
• Mathematical Physics (AREA)
• General Physics & Mathematics (AREA)
• Combustion & Propulsion (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=6832341

Family Applications (1)

Country Status (2)

Families Citing this family (2)

• 0
  • NL NL64241D patent/NL64241C/xx active
• 1942
  • 1942-07-15 FR FR884201D patent/FR884201A/fr not_active Expired

Also Published As

Similar Documents